Texas Administrative Code
Title 43 - TRANSPORTATION
Part 1 - TEXAS DEPARTMENT OF TRANSPORTATION
Chapter 25 - TRAFFIC OPERATIONS
Subchapter B - PROCEDURES FOR ESTABLISHING SPEED ZONES
Section 25.28 - Reducing Speeds on Roadways with a Greater Than Average Crash Rate

Universal Citation: 43 TX Admin Code § 25.28

Current through Reg. 50, No. 13; March 28, 2025

(a) This section applies only to decreasing the speed limit within an existing speed zone on the state highway system if the crash rate in the section of the roadway is greater than the statewide average crash rate for similar roadways.

(b) The speed zone study that is necessary for reducing the speed limit is limited to the determination of the 85th percentile speed or trial run speed at one or more speed check locations within the established speed zone and consideration of the following factors that are applicable:

(1) narrow roadway pavement;

(2) horizontal and vertical curves;

(3) high driveway density;

(4) lack of striped, improved shoulders; and

(5) crash history within the speed zone.

(c) The speed limit posted under this section may be as much as 12 miles per hour below the 85th percentile speed or trial-run speed that was used to determine the speed limit that is being reduced. The final decision on the amount of the variation should be based on the engineering judgment of the supervising engineer.

(d) The provisions of this subchapter related to establishing a speed limit apply to an action under this section unless such a provision conflicts with this section, in which event this section controls to the extent of conflict.

(e) A strip map is not required under this section.

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